2065579344 has 120 divisors (see below), whose sum is σ = 5948202624. Its totient is φ = 668736000.

The previous prime is 2065579343. The next prime is 2065579363. The reversal of 2065579344 is 4439755602.

2065579344 is a `hidden beast` number, since 2 + 0 + 6 + 557 + 93 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2065579344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065579343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599339 + ... + 1600629.

Almost surely, 2^2065579344 is an apocalyptic number.

2065579344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065579344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974101312).

2065579344 is an abundant number, since it is smaller than the sum of its proper divisors (3882623280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065579344 is a wasteful number, since it uses less digits than its factorization.

2065579344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 2065579344 is about 45448.6451283204. The cubic root of 2065579344 is about 1273.5440191813.

It can be divided in two parts, 20655 and 79344, that added together give a palindrome (99999).

The spelling of 2065579344 in words is "two billion, sixty-five million, five hundred seventy-nine thousand, three hundred forty-four".